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• If the issue occurs while using a certain third-party app, make sure the app is
compatible with your device and Android version. Try uninstalling the third-party
app.
• If it still doesn't work, reset the phone or update software.
My phone can't charge properly
• Make sure that you are using the TCL charger that comes with the phone.
• Make sure that your battery is not completely discharged; if the battery power
has been empty for a long time, it may take around 20 minutes to display the
battery charging indicator on the screen.
• Make sure that charging is carried out under normal conditions 0°C (32°F) to
45°C (113°F).
• When abroad, check that the voltage input is compatible.
My phone can't connect to a network or "No service" is displayed
• Try connecting to the network by moving to another physical location.
• Verify the network coverage with your operator.
• Check with your operator that your SIM card is valid.
• Try connecting at a later time if the network is overloaded.
• Try to turn on "Airplane mode" for a few seconds, then turn airplane mode off.
My phone can't connect to the internet
• Make sure that the internet access service of your SIM card is available.
• Check your phone's internet connection settings.
• Make sure that you are in a place with network coverage.
• Try connecting at a later time or another location.
• Try to turn on "Airplane mode" for a few seconds, then turn airplane mode off.
Invalid SIM card
• Make sure that the SIM card has been correctly inserted.
• Make sure that the chip on your SIM card is not damaged.
• Make sure that the service of your SIM card is available.
My phone can't make outgoing calls
• Make sure that you have dialled a valid number and have touched
.
• For international calls, check the country and area codes.
• Make sure that your phone is connected to a network, and the network is not
overloaded or unavailable.
• Check your subscription status with your operator (credit, SIM card valid, etc.).
• Make sure that you have not barred outgoing calls.
• Make sure that your phone is not in aeroplane mode.
My phone can't receive incoming calls
• Make sure that your phone is switched on and connected to a network (check
for overloaded or unavailable network).
• Check your subscription status with your operator (credit, SIM card valid, etc.).
• Make sure that you have not forwarded incoming calls.
• Make sure that you have not barred certain calls.
• Make sure that your phone is not in aeroplane mode.
The caller’s name/number doesn't appear when a call is received
• Check that you have subscribed to this service with your operator.
• Your caller may have concealed his name or number.
I can't find my contacts
• Make sure that your SIM card is not broken.
• Make sure that your SIM card is inserted properly.
The sound quality of the calls is poor
• Adjust the volume during a call by pressing the
Volume
key.
• Check the network strength. Move to a location with stronger signal strength.
• Make sure that the receiver, connector and speaker on your phone are clean.